| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Boyko, Jason A (17)
|
MRRFAC |
53.62 |
56.15 |
2.53 |
| 2 |
Reining, Robert L (15)
|
MRRFAC |
53.34 |
57.82 |
4.48 |
| 3 |
Grunbok, Christopher J (18)
|
MRHVD |
58.14 |
59.10 |
0.96 |
| 4 |
Liu, Alexander J (15)
|
MRNDAC |
59.17 |
59.68 |
0.51 |
| 5 |
Sommer, Christopher A (17)
|
MRAG |
1:01.00 |
1:01.55 |
0.55 |
| 6 |
Torri, Christian A (17)
|
MRHVD |
56.29 |
1:02.82 |
6.53 |
| 7 |
Xin, Alex (15)
|
MRRFAC |
1:01.53 |
1:03.20 |
1.67 |
| 8 |
Bogen, Jacob E (15)
|
MRRFAC |
59.35 |
1:03.27 |
3.92 |
| 9 |
Ruan, Andrew (15)
|
MRRFAC |
1:06.66 |
1:07.62 |
0.96 |
| 10 |
Mangan, Kyle D (15)
|
MRHVD |
1:08.09 |
1:08.69 |
0.60 |
|
Porto, Anthony J (18)
|
MRNDAC |
52.86 |
DQ |
- |